MaxKB/apps/application/flow/compare/is_null_compare.py

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# coding=utf-8
"""
@project: maxkb
@Author
@file is_null_compare.py
@date2024/6/28 10:45
@desc:
"""
from typing import List
from application.flow.compare import Compare
class IsNullCompare(Compare):
def support(self, node_id, fields: List[str], source_value, compare, target_value):
if compare == 'is_null':
return True
def compare(self, source_value, compare, target_value):
try:
return source_value is None or len(source_value) == 0
except Exception as e:
return False